Theanine in Pu 'er tea can inhibit the increase of blood pressure, while alkaloids and flavonoids can relax the wall of blood vessels, increase the effective diameter of blood vessels, and reduce blood pressure by relaxing blood vessels. Diabetes is one of the health killers of modern middle-aged and elderly people, and with the improvement of people's living standards and the intensification of population aging, the incidence of diabetes is gradually increasing. Diabetes is still an incurable disease, which is mainly controlled by drugs and diet regulation. Studies have proved that tea polysaccharide in tea has obvious hypoglycemic effect, which is similar to insulin. After injecting tea polysaccharide into mice for 7 hours, their blood sugar decreased by 70%. Pu 'er tea contains more tea polysaccharides and is an ideal drink for preventing and treating diabetes. People also use Pu 'er tea to treat mild diabetes, and the stronger the tea, the better the effect. Ancient Tree Pu 'er Tea-Tian Yunchun Arbor Ancient Tree Pu 'er Tea 400g Cooked Tea 2008. In addition, it is better for diabetic patients to drink more Tieguanyin. Diabetes mellitus is a chronic progressive disease with disorder of glucose metabolism. The typical clinical manifestations are three more and one less, that is, drinking more and urinating more, eating more and wasting away, and feeling weak all over. This disease is called diabetes in Chinese medicine and belongs to the category of hot and humid heat. The main cause of the disease is the lack of polyphenols in the body, such as vitamin B 1, pantothenic acid, phosphoric acid, methyl salicylate and so on. , make the glucose metabolism disorder, the blood sugar in the body rises sharply, and the metabolism is weakened. The clinical experiments of Nana Ogawa Takeichiro, a Japanese doctor of medicine, confirmed that drinking tea regularly can replenish vitamin B 1, pantothenic acid, phosphoric acid, methyl salicylate and polyphenols in human body in time, which can prevent the occurrence of diabetes. For patients with moderate and mild diabetes, blood sugar and urine sugar can be reduced to very little or completely normal; For patients with severe diabetes, it can reduce blood sugar and urine sugar and relieve various main symptoms. Tieguanyin-Anxi Tieguanyin